[INFO] cloning repository https://github.com/davidpdrsn/oops-lang [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/davidpdrsn/oops-lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidpdrsn%2Foops-lang", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidpdrsn%2Foops-lang'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9ddd382d00ae7fcc3b2bcb4de1054265b9fcd0f5 [INFO] checking davidpdrsn/oops-lang against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidpdrsn%2Foops-lang" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/davidpdrsn/oops-lang on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/davidpdrsn/oops-lang [INFO] finished tweaking git repo https://github.com/davidpdrsn/oops-lang [INFO] tweaked toml for git repo https://github.com/davidpdrsn/oops-lang written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/davidpdrsn/oops-lang already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 734afd9f0921bfe6ae76e7db74bc974ca40bf6e8b52927066cd439182cee001e [INFO] running `Command { std: "docker" "start" "-a" "734afd9f0921bfe6ae76e7db74bc974ca40bf6e8b52927066cd439182cee001e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "734afd9f0921bfe6ae76e7db74bc974ca40bf6e8b52927066cd439182cee001e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "734afd9f0921bfe6ae76e7db74bc974ca40bf6e8b52927066cd439182cee001e", kill_on_drop: false }` [INFO] [stdout] 734afd9f0921bfe6ae76e7db74bc974ca40bf6e8b52927066cd439182cee001e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] acf68852767dc01e7cd7a86c089cb49f2116993086dae798b7564d8ad3627abc [INFO] running `Command { std: "docker" "start" "-a" "acf68852767dc01e7cd7a86c089cb49f2116993086dae798b7564d8ad3627abc", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.60 [INFO] [stderr] Compiling bitflags v1.1.0 [INFO] [stderr] Compiling syn v0.15.40 [INFO] [stderr] Compiling unicode-segmentation v1.3.0 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking ucd-util v0.1.5 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Checking regex-syntax v0.6.10 [INFO] [stderr] Checking aho-corasick v0.7.4 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking utf8-ranges v1.0.3 [INFO] [stderr] Checking atty v0.2.13 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking regex v1.2.0 [INFO] [stderr] Compiling structopt-derive v0.2.18 [INFO] [stderr] Checking structopt v0.2.18 [INFO] [stderr] Checking oops v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused macro definition: `assert_error` [INFO] [stdout] --> src/error.rs:170:14 [INFO] [stdout] | [INFO] [stdout] 170 | macro_rules! assert_error { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_macros)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Field` [INFO] [stdout] --> src/interpret/mod.rs:1:32 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::prep::{self, Class, Field}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `visit_ast` is imported redundantly [INFO] [stdout] --> src/interpret/mod.rs:3:11 [INFO] [stdout] | [INFO] [stdout] 3 | ast::{visit_ast, Ast, Visitor, *}, [INFO] [stdout] | ^^^^^^^^^ - the item `visit_ast` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Ast` is imported redundantly [INFO] [stdout] --> src/interpret/mod.rs:3:22 [INFO] [stdout] | [INFO] [stdout] 3 | ast::{visit_ast, Ast, Visitor, *}, [INFO] [stdout] | ^^^ - the item `Ast` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Visitor` is imported redundantly [INFO] [stdout] --> src/interpret/mod.rs:3:27 [INFO] [stdout] | [INFO] [stdout] 3 | ast::{visit_ast, Ast, Visitor, *}, [INFO] [stdout] | ^^^^^^^ - the item `Visitor` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `hash_map::Keys` [INFO] [stdout] --> src/interpret/mod.rs:8:19 [INFO] [stdout] | [INFO] [stdout] 8 | collections::{hash_map::Keys, HashMap}, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ClassVTable` [INFO] [stdout] --> src/prep/mod.rs:5:17 [INFO] [stdout] | [INFO] [stdout] 5 | interpret::{ClassVTable, VTable}, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused macro definition: `assert_error` [INFO] [stdout] --> src/error.rs:170:14 [INFO] [stdout] | [INFO] [stdout] 170 | macro_rules! assert_error { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_macros)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Field` [INFO] [stdout] --> src/interpret/mod.rs:1:32 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::prep::{self, Class, Field}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `visit_ast` is imported redundantly [INFO] [stdout] --> src/interpret/mod.rs:3:11 [INFO] [stdout] | [INFO] [stdout] 3 | ast::{visit_ast, Ast, Visitor, *}, [INFO] [stdout] | ^^^^^^^^^ - the item `visit_ast` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Ast` is imported redundantly [INFO] [stdout] --> src/interpret/mod.rs:3:22 [INFO] [stdout] | [INFO] [stdout] 3 | ast::{visit_ast, Ast, Visitor, *}, [INFO] [stdout] | ^^^ - the item `Ast` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Visitor` is imported redundantly [INFO] [stdout] --> src/interpret/mod.rs:3:27 [INFO] [stdout] | [INFO] [stdout] 3 | ast::{visit_ast, Ast, Visitor, *}, [INFO] [stdout] | ^^^^^^^ - the item `Visitor` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `hash_map::Keys` [INFO] [stdout] --> src/interpret/mod.rs:8:19 [INFO] [stdout] | [INFO] [stdout] 8 | collections::{hash_map::Keys, HashMap}, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ClassVTable` [INFO] [stdout] --> src/prep/mod.rs:5:17 [INFO] [stdout] | [INFO] [stdout] 5 | interpret::{ClassVTable, VTable}, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `node` [INFO] [stdout] --> src/interpret/mod.rs:78:34 [INFO] [stdout] | [INFO] [stdout] 78 | fn visit_let_ivar(&mut self, node: &'a LetIVar<'a>) -> Result<'a, ()> { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_node` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `span` is never read [INFO] [stdout] --> src/error.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 14 | ClassNotDefined { [INFO] [stdout] | --------------- field in this variant [INFO] [stdout] 15 | class: &'a str, [INFO] [stdout] 16 | span: Span, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `IVarAccessedWithoutSelf` and `IVarAccessedOnNonInstanceValue` are never constructed [INFO] [stdout] --> src/error.rs:43:5 [INFO] [stdout] | [INFO] [stdout] 7 | pub enum Error<'a> { [INFO] [stdout] | ----- variants in this enum [INFO] [stdout] ... [INFO] [stdout] 43 | IVarAccessedWithoutSelf(Span), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 44 | IVarAccessedOnNonInstanceValue(Span), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `parse_specific_class_name` is never used [INFO] [stdout] --> src/parse/mod.rs:89:12 [INFO] [stdout] | [INFO] [stdout] 24 | impl<'a> ParseStream<'a> { [INFO] [stdout] | ------------------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 89 | pub fn parse_specific_class_name(&mut self, name: &str) -> Result<'a, ClassName<'a>> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> src/prep/mod.rs:262:9 [INFO] [stdout] | [INFO] [stdout] 261 | pub struct Method<'a> { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 262 | pub name: &'a Ident<'a>, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Method` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `node` [INFO] [stdout] --> src/interpret/mod.rs:78:34 [INFO] [stdout] | [INFO] [stdout] 78 | fn visit_let_ivar(&mut self, node: &'a LetIVar<'a>) -> Result<'a, ()> { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_node` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `span` is never read [INFO] [stdout] --> src/error.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 14 | ClassNotDefined { [INFO] [stdout] | --------------- field in this variant [INFO] [stdout] 15 | class: &'a str, [INFO] [stdout] 16 | span: Span, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `IVarAccessedWithoutSelf` and `IVarAccessedOnNonInstanceValue` are never constructed [INFO] [stdout] --> src/error.rs:43:5 [INFO] [stdout] | [INFO] [stdout] 7 | pub enum Error<'a> { [INFO] [stdout] | ----- variants in this enum [INFO] [stdout] ... [INFO] [stdout] 43 | IVarAccessedWithoutSelf(Span), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 44 | IVarAccessedOnNonInstanceValue(Span), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `parse_specific_class_name` is never used [INFO] [stdout] --> src/parse/mod.rs:89:12 [INFO] [stdout] | [INFO] [stdout] 24 | impl<'a> ParseStream<'a> { [INFO] [stdout] | ------------------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 89 | pub fn parse_specific_class_name(&mut self, name: &str) -> Result<'a, ClassName<'a>> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> src/prep/mod.rs:262:9 [INFO] [stdout] | [INFO] [stdout] 261 | pub struct Method<'a> { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 262 | pub name: &'a Ident<'a>, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Method` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.21s [INFO] running `Command { std: "docker" "inspect" "acf68852767dc01e7cd7a86c089cb49f2116993086dae798b7564d8ad3627abc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "acf68852767dc01e7cd7a86c089cb49f2116993086dae798b7564d8ad3627abc", kill_on_drop: false }` [INFO] [stdout] acf68852767dc01e7cd7a86c089cb49f2116993086dae798b7564d8ad3627abc